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- National Centre for Radio AstrophysicsIN28 papers
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33 papers · 1 filter
Tracking thermal transport in colloidal quantum dot films using in-situ time-resolved X-ray diffraction
Eliza Wieman, Nejc Nagelj, Ethan Curling +9
Colloidal quantum dots (QDs) and their thin-films are increasingly used in electronic and photonic devices replacing traditional bulk semiconductors. However, thermal properties of…
Localization and Wetting of 4He Inside Pre-plated Nanopores
Sutirtha Paul, Taras Lakoba, Paul E. Sokol +1
Low dimensional quantum fluids, where one can probe the effects of enhanced thermal and quantum fluctuations on macroscopic quantum wavefunctions, can be experimentally realized th…
Hierarchical Topological States without Dimension Reduction
Joel R. Pyfrom, Kai Sun, Jihong A. Ma
Topological insulators exhibit boundary states protected by bulk band topology, a principle first established in quantum systems and later extended to classical waves, including ph…
Microscopic lattice model for quartic semi-Dirac fermions in two dimensions
Mohamed M. Elsayed, Valeri N. Kotov
We propose a lattice model for the realization of exotic quartic semi-Dirac fermions, i.e. quasiparticles exhibiting a dispersion with quartic momentum dependence in a given direct…
Variational approach to atom-membrane dynamics
Dennis P. Clougherty
Using the Dirac-Frenkel variational principle, a time-dependent description of the dynamics of a two-level system coupled to a bosonic bath is formulated. The method is applied to…
Polarization Charge around Impurities in Two-Dimensional Anisotropic Dirac Systems
Mohamed M. Elsayed, Sang Wook Kim, Juan M. Vanegas +1
Introducing quasiparticle anisotropy in graphene via uniaxial strain has a profound effect on the polarization charge density induced by external impurities, both Coulomb and short…